Ranking of Pennsylvania Counties By Population with Scottish Ancestry in 2021
Updated on April 16, 2025.
Based on the US Census ACS-5Yrs estimates, in 2021, there were 184.01K people in Pennsylvania with Scottish ancestry. Among all Pennsylvania counties, Allegheny County had the highest population with Scottish ancestry (21.70K), followed by Montgomery County (12.57K), and Chester County (11.16K).
The chart and table below shows the top 10 counties with high number of people with Scottish ancestry.
You can see similar information for other states and for other ancestry groups in Pennsylvania.
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Related Topics: Pennsylvania ACS-5Yrs Estimates, 2021 Topic List.
Data Source: US Census Bureau.
Ranking of Pennsylvania Counties By Population with Scottish Ancestry in 2021
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| Rank | County | Population |
|---|---|---|
| 1 | Allegheny County | 21703 |
| 2 | Montgomery County | 12574 |
| 3 | Chester County | 11162 |
| 4 | Bucks County | 10545 |
| 5 | Philadelphia County | 9596 |
| 6 | Lancaster County | 7778 |
| 7 | Westmoreland County | 7526 |
| 8 | York County | 7494 |
| 9 | Delaware County | 7372 |
| 10 | Cumberland County | 5081 |
| 11 | Washington County | 4558 |
| 12 | Berks County | 4475 |
| 13 | Butler County | 4308 |
| 14 | Erie County | 4197 |
| 15 | Lehigh County | 3521 |
| 16 | Northampton County | 3075 |
| 17 | Franklin County | 2949 |
| 18 | Beaver County | 2882 |
| 19 | Dauphin County | 2877 |
| 20 | Centre County | 2719 |
| 21 | Mercer County | 2540 |
| 22 | Lackawanna County | 2146 |
| 22 | Luzerne County | 2146 |
| 23 | Cambria County | 2039 |
| 24 | Blair County | 2004 |
| 25 | Monroe County | 1880 |
| 26 | Lycoming County | 1749 |
| 27 | Fayette County | 1711 |
| 28 | Lebanon County | 1592 |
| 29 | Clearfield County | 1575 |
| 30 | Adams County | 1574 |
| 31 | Crawford County | 1570 |
| 32 | Armstrong County | 1501 |
| 33 | Somerset County | 1376 |
| 34 | Indiana County | 1299 |
| 35 | Northumberland County | 1297 |
| 36 | Bradford County | 1246 |
| 37 | Lawrence County | 1230 |
| 38 | Perry County | 1115 |
| 39 | Venango County | 1089 |
| 40 | Tioga County | 1008 |
| 41 | Bedford County | 930 |
| 42 | Pike County | 847 |
| 43 | Jefferson County | 817 |
| 44 | Columbia County | 813 |
| 45 | Schuylkill County | 802 |
| 46 | Susquehanna County | 783 |
| 47 | Clarion County | 728 |
| 48 | Greene County | 721 |
| 49 | Warren County | 713 |
| 50 | Huntingdon County | 699 |
| 51 | Clinton County | 649 |
| 52 | McKean County | 597 |
| 53 | Snyder County | 576 |
| 54 | Wayne County | 562 |
| 55 | Wyoming County | 561 |
| 56 | Carbon County | 546 |
| 57 | Union County | 536 |
| 58 | Mifflin County | 440 |
| 59 | Juniata County | 409 |
| 60 | Potter County | 305 |
| 61 | Fulton County | 250 |
| 62 | Montour County | 228 |
| 63 | Elk County | 212 |
| 64 | Sullivan County | 88 |
| 65 | Forest County | 75 |
| 66 | Cameron County | 44 |